Comparison

Moon Style vs Calorithm

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Moon Style

Track your menstrual cycle, ovulation, and fertility. Monitor your weight and body fat with diet support, and access lunar cycle-based yoga programs. Designed for women's comfort and health.

Highlights
  • Period and ovulation tracking
  • Diet and weight monitoring
  • Fertility and basal body temperature recording
  • Lunar cycle-based yoga programs
  • Cycle-based body fat analysis
Features
Read full description

This is an application that makes girls&ladies comfortable. ●Diet Support You can record your daily weight and body fat percentage. According to your menstrual cycle, it display the period makes you fat and slim. ●Baby Support For women hopes to get pregnant, it can record the basal body temperature. According to your menstrual cycle,it display your ovulation day. ●Yoga programme( it needs a charge, but only first time.) According to lunar cycle, it broadcasts optimum picture of Yoga.

About

Calorithm

Read full description

Calorithm — Your Calorie Balance at a Glance Automatically syncs with Apple Health to track your calorie intake, expenditure, and balance in real time. Keep your diet on track with minimal manual input. See Your Balance Instantly View dietary energy, energy burned, and your net balance on a single dashboard. A progress bar shows how close you are to your daily goal. Review Your Day on the Timeline See all your meals, exercises, and weight entries in chronological order. Tap any entry to edit or delete it. A quick, clear view of everything you recorded today. Auto-Synced with Apple Health Active energy, resting energy, weight, and body fat percentage are pulled directly from Apple Health. Data updates every time you open the app. AI Estimates Calories — and Active Energy Just type a food name and AI estimates the calories. You can refine the result with comments like "large size" or "extra cheese." AI can also estimate active energy burned for exercises — just type the activity and duration. Visualize Your Trends Track calorie balance and weight changes across five time ranges — daily, weekly, monthly, quarterly, and yearly — with clear charts and goal lines. One Tap for Favorites Register meals you eat often as presets and log them with a single tap. Stay Motivated with Streaks Automatically counts consecutive days you hit your calorie goal. Celebrate milestones at 3, 7, 30 days and more. See your progress toward today's goal in real time. An achievement heatmap shows your goal progress over the past 6 months at a glance. Always on Your Home Screen Add a widget to check today's balance without opening the app. Know What's Left Set notification times for breakfast, lunch, and dinner to get a reminder of how many calories you can still eat. Helps you avoid overeating. Your Data, Protected Your health and food log data is stored locally on your device with AES-256 encryption. When you use AI features, only the input, photos, or record summaries needed for processing are sent to Google AI services. Not a Medical Device Calorithm is not a medical device and does not diagnose, treat, cure, or prevent any medical condition. Consult a healthcare professional before making medical decisions. Dark Mode Switch to dark mode for a comfortable viewing experience that also saves battery.

Screenshots

Moon Style4 screens
Calorithm4 screens

Verdict

The call

The clearest difference is in-app purchases: Calorithm at none against Moon Style's 1. Calorithm also leads on update cadence (weekly vs every 4 months) and iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Moon Style sells 1 one-off in-app purchase. Calorithm asks for nothing beyond the download.

UpkeepUpdate frequency

Moon Style ships an update every 4 months, Calorithm weekly. The most recent releases landed on September 9, 2026 and August 19, 2026 respectively.

Scorecard3 real differences · 7 level
Moon Style versus Calorithm: the parameters behind the verdict, then further details
ParameterMoon StyleCalorithm
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings1 — better—
Update frequencyEvery 4 monthsWeekly — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.613.0 — better
Further details — not scored
Size47 MB48 MB
Age rating4+4+
DeveloperSankakudo Inc.Shunsuke Maeda

In-app purchases

1 purchases

Moon Style

One-time1
  • MoonStyle YogaFree
None

Calorithm

No in-app purchases

Questions

Is Moon Style free?
Moon Style is free to download, with in-app purchases available.
Is Calorithm free?
Calorithm is free to download, with no in-app purchases.
Do Moon Style or Calorithm have ads?
Both Moon Style and Calorithm show ads.
Which is updated more often, Moon Style or Calorithm?
Moon Style ships an update every 4 months, and Calorithm weekly. Most recently, Moon Style was updated on September 9, 2026 and Calorithm on August 19, 2026.

Other comparisons